Plotter



FIG. 1 is a perspective view of a plotter showing my new design;

FIG. 2 is a top plan view thereof on an enlarged scale;

FIG. 3 is a front elevational view thereof on an enlarged scale;

FIG. 4 is a side elevational view thereof on an enlarged scale;

FIG. 5 is a rear elevational view thereof on an enlarged scale. 

The ornamental design for a plotter, as shown and described. 